package homework05;

import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;

class PersonSortable2{
	private String name;
	private int age;
	
	public PersonSortable2(String name,int age){
		this.name=name;
		this.age=age;
	}
	
	public String toString() {
		return name+"-"+age;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}
	
	
}

class AgeComparator implements Comparator<PersonSortable2>{
	
	public int compare(PersonSortable2 o1,PersonSortable2 o2){
		return o1.getAge()-o2.getAge();
	}
}

class NameComparator implements Comparator<PersonSortable2>{
	
	public int compare(PersonSortable2 o1,PersonSortable2 o2){
		return o1.getName().compareTo(o2.getName());
	}
}

public class Seven02 {
	public static void main(String args[]){
		Scanner sc=new Scanner(System.in);
		String N=sc.nextLine();
		int n = Integer.parseInt(N);
		PersonSortable2[] pers = new PersonSortable2[n];
		for(int i=0;i<n;i++)
		{
			String name = sc.next();
			int age = sc.nextInt();
			pers [i]=new PersonSortable2(name, age);
		}
		Arrays.sort(pers,new NameComparator());
		System.out.println("NameComparator:sort");
		for(int i=0;i<n;i++)
		{
			System.out.println(pers[i].toString());
		}
		Arrays.sort(pers,new AgeComparator());
		System.out.println("AgeComparator:sort");
		for(int i=0;i<n;i++)
		{
			System.out.println(pers[i].toString());
		}
		
		System.out.println(Arrays.toString(NameComparator.class.getInterfaces()));
		System.out.println(Arrays.toString(AgeComparator.class.getInterfaces()));
		sc.close();
	}
}


